Hyattsville, MD 20782 Frost Dates
Hyattsville, MD: when does the frost end?
The last spring frost here typically falls around 03/29, about 213 days from today. Fall's first freeze usually shows up around 11/08, roughly 224 days after the last spring frost.
Zone 7b (5 to 10°F average annual minimum) comes from the USDA Plant Hardiness Zone Map; the frost dates above are the 1991-2020 normal at the nearest reporting NOAA station for Hyattsville, not a forecast for this year.
Stretching the season past the first frost
With roughly 10 weeks until Hyattsville's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
The actual range around Hyattsville's last frost
03/29 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 03/15 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 04/11 and only about 1 year in 10 sees frost after that.
Hyattsville against the rest of the dataset
About 224 days separate Hyattsville's last and first frost, putting it 11,754 of 40,283 ZIP codes nationally. Within MD, it ranks 114 of 583.
Learn more
Before leaning on 20782's figures: zone vs. frost date explains why Zone 7b and Hyattsville's frost date answer different questions, while the frost range explains how to read the range around Hyattsville's dates instead of trusting one.